Here is an updated list of rumored/expected Leica cameras and lenses (see the previous lists here):
Leica Q3 rumored for 2023 with a 60MP sensor
Leica M interchangeable lens camera with built-in EVF (Leica RM?)
Rumored Leica lenses – more M lenses are expected to be announced in order to take full advantage of the new 60MP sensor:
Leica L3 watch with a mechanical alarm complication